JPS6195183U - - Google Patents

Info

Publication number

JPS6195183U

JPS6195183U JP18133884U JP18133884U JPS6195183U JP S6195183 U JPS6195183 U JP S6195183U JP 18133884 U JP18133884 U JP 18133884U JP 18133884 U JP18133884 U JP 18133884U JP S6195183 U JPS6195183 U JP S6195183U

Authority

JP

Japan

Prior art keywords

circuit

office line

output

transistor circuit

photocoupler

Prior art date

1984-11-29

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000001514 detection method Methods 0.000 claims 1
• 238000010586 diagram Methods 0.000 description 1